Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Yamamoto | Isuzu Motors Limited | 241 |
| 2 | Masanori Murakami | Fujitsu General Limited | 85 |
| 3 | Tsukasa Matsuda | — | 80 |
| #4 | Takao Ito | Aida Engineering | 73 |
| #5 | Hirotake Nozaki | Nikon | 70 |
| #6 | Takahiro Iwasaki | Canon | 58 |
| #7 | Takayuki Ogasahara | Canon | 54 |
| #8 | Yohji Watanabe | Kabushiki Kaisha Toshiba | 41 |
| #9 | Akira Hokazono | Kabushiki Kaisha Toshiba | 37 |
| #10 | Syuso Fujii | Kabushiki Kaisha Toshiba | 34 |
| #11 | Kazunari Kawabata | Canon | 32 |
| #12 | Kazumasa Sunouchi | Kabushiki Kaisha Toshiba | 31 |
| #12 | Tsukasa Azuma | Kabushiki Kaisha Toshiba | 31 |
| #14 | Kiyoshi Kawano | Pentax | 30 |
| #15 | Sachiko Yoshihama | IBM | 29 |
| #16 | Atsunobu Isobayashi | Kabushiki Kaisha Toshiba | 28 |
| #17 | Hiroshi Takato | Kabushiki Kaisha Toshiba | 17 |
| #18 | Mariko Iizuka | Kabushiki Kaisha Toshiba | 15 |
| #19 | Tatsuhiko Ema | Kabushiki Kaisha Toshiba | 14 |
| #20 | Chikara Abe | Olympus Optical Co. | 6 |
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